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UAV-based Multispectral Sensing Solution (UMS)

Training-and-Hyper-parameter optimization

Perform training on the dataset using the multispectral characteristics of the soil and crops in red, near-infrared, and green spectral bands, computedvegetation indices, and environmental variables including air temperature and relative humidity ("dataset_multispectral_features.csv") and perfromed hyper-parameter optimization to improve the prediction accuracy.

emission_lines_LIBS

To generate the ground-truthdata or the training data ("emission_lines_LIBS.m") for the machine learning models, we measure the total nitrogen ("nitrogen_spectrum.m") of the soil samples (collected from afarm) using laser-induced breakdown spectroscopy (LIBS).

estimation_error_std

Shows the estimation error and std for all the HPO methods.

nitrogen_spectrum

Only the N spectrum for all the soil samples at V4, V8 and V12 stages.

Citation

@article{hossen2021total,
  title={Total nitrogen estimation in agricultural soils via aerial multispectral imaging and LIBS},
  author={Hossen, Md Abir and Diwakar, Prasoon K and Ragi, Shankarachary},
  journal={Scientific Reports}
  volume={11},
  number={1},
  pages={1--11},
  year={2021},
  publisher={Nature Publishing Group}
}

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Total Nitrogen Estimation in Agricultural Soils via Aerial Multispectral Imaging and LIBS.

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